Network Analysis and Feedback Amplifier Design

admittance analysis assumed asymptotic attenuation characteristic band branch cathode coefficients complete computation condition constant contour corresponding Curve cut-off determined discussion driving point elements equal equivalent evidently example expression external gain fact feedback amplifier feedback circuit filter formulae function gain characteristic given grid high frequencies illustrated by Fig imaginary components immittance inductance input and output integral lattice loop loss low-pass low-pass equivalent maximum mesh equations minimum phase negative resistance neper nodal analysis Nyquist Nyquist plot obtained output circuits parasitic capacity parasitic elements passive network path phase characteristic phase margin phase shift plane plate plot positive R₁ radians ratio reactance real component real frequency axis reflection coefficient represent result return difference right half-plane shown by Fig shunt slope ẞ circuit stable supposed terminals theorem tion transconductance transfer impedance transformer transmission tube two-terminal vacuum tubes voltage Z₁ zeros and poles